| A.mat | Additive relationship matrix | 
| add.diallel.vars | add.diallel.vars | 
| adjBeta | Adjusting fixed effects for intercept | 
| Ad_technow | Genotypic and Phenotypic data from single cross hybrids (Technow et al.,2014) | 
| Af_technow | Genotypic and Phenotypic data from single cross hybrids (Technow et al.,2014) | 
| atcg1234 | Letter to number converter | 
| A_example | Broad sense heritability calculation. | 
| A_gryphon | Gryphon data from the Journal of Animal Ecology | 
| A_ige | Data to fit indirect genetic effects. | 
| bbasis | Function for creating B-spline basis functions (Eilers & Marx, 2010) | 
| build.HMM | Build a hybrid marker matrix using parental genotypes from inbred individuals | 
| DTi_cornhybrids | Corn crosses and markers | 
| DT_augment | DT_augment design example. | 
| DT_btdata | Blue Tit Data for a Quantitative Genetic Experiment | 
| DT_cornhybrids | Corn crosses and markers | 
| DT_cpdata | Genotypic and Phenotypic data for a CP population | 
| DT_example | Broad sense heritability calculation. | 
| DT_expdesigns | Data for different experimental designs | 
| DT_fulldiallel | Full diallel data for corn hybrids | 
| DT_gryphon | Gryphon data from the Journal of Animal Ecology | 
| DT_h2 | Broad sense heritability calculation. | 
| DT_halfdiallel | half diallel data for corn hybrids | 
| DT_ige | Data to fit indirect genetic effects. | 
| DT_legendre | Simulated data for random regression | 
| DT_mohring | Full diallel data for corn hybrids | 
| DT_polyploid | Genotypic and Phenotypic data for a potato polyploid population | 
| DT_rice | Rice lines dataset | 
| DT_sleepstudy | Reaction times in a sleep deprivation study | 
| DT_technow | Genotypic and Phenotypic data from single cross hybrids (Technow et al.,2014) | 
| DT_wheat | wheat lines dataset | 
| DT_yatesoats | Yield of oats in a split-block experiment | 
| fillData | Filling gaps for a dataset to balance | 
| fitted-method | Relationship-based mixed-effects model fits | 
| getMME | Build the mixed model equations from a lmebreed object | 
| GTn_rice | Rice lines dataset | 
| GT_cornhybrids | Corn crosses and markers | 
| GT_cpdata | Genotypic and Phenotypic data for a CP population | 
| GT_polyploid | Genotypic and Phenotypic data for a potato polyploid population | 
| GT_rice | Rice lines dataset | 
| GT_wheat | wheat lines dataset | 
| imputev | Imputing a numeric or character vector | 
| leg | Legendre polynomial matrix | 
| lme4breeding | *L*inear *m*ixed *e*quations *4* *B*reeding | 
| lmebreed | Fit mixed-effects models incorporating relationships | 
| lmebreed-class | Relationship-based mixed-effects model fits | 
| Md_technow | Genotypic and Phenotypic data from single cross hybrids (Technow et al.,2014) | 
| Mf_technow | Genotypic and Phenotypic data from single cross hybrids (Technow et al.,2014) | 
| MP_cpdata | Genotypic and Phenotypic data for a CP population | 
| MP_polyploid | Genotypic and Phenotypic data for a potato polyploid population | 
| overlay | Overlay Matrix | 
| P_gryphon | Gryphon data from the Journal of Animal Ecology | 
| ranef-method | Relationship-based mixed-effects model fits | 
| redmm | Reduced Model Matrix | 
| residuals-method | Relationship-based mixed-effects model fits | 
| rrm | reduced rank matrix | 
| simage | Image of sparsity between two variables | 
| smm | sparse model matrix | 
| stackTrait | Stacking traits in a dataset | 
| tps | Get Tensor Product Spline Mixed Model Incidence Matrices | 
| umat | Rotation matrix UDU' decomposition |